#57389C
Closest named color: Rebecca Purple (#663399). oklch(43.3% 0.155 293.1), rgb(87, 56, 156).
Aa
White text reads best on this color (8.56:1).
About this color
#57389C is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.155 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.030 away. White text reads best on it, at 8.56:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.45:1 |
| White text | 8.56:1 |
Values
| HEX | #57389C |
| RGB | rgb(87, 56, 156) |
| HSL | hsl(259, 47%, 42%) |
| OKLCH | oklch(43.3% 0.155 293.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #57389C | 8.56:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #57389C | 2.45:1 | Fails | Lc 15.0 | Not readable |
| #57389C text on white | 8.56:1 | AAA | Lc 89.0 | Fine for body text |
| #57389C text on black | 2.45:1 | Fails | Lc -13.2 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#DAD4F8
oklch(88.6% 0.049 293)
-
Step 300
300
#C2B6F6
oklch(80.9% 0.09 292.9)
-
Step 400
400
#A58DF2
oklch(70.7% 0.145 293.2)
-
Step 500
500
#916DED
oklch(63.1% 0.185 293.3)
-
Step 600
600
#7C51DB
oklch(55.6% 0.201 293.1)
-
Step 700
700
#6940BE
oklch(49% 0.187 293.2)
-
Step 800
800 (this color)
#57389C
oklch(43.3% 0.155 293.1)
-
Step 900
900
#46307A
oklch(37.6% 0.121 293.4)
-
Step 950
950
#291D48
oklch(27% 0.077 293.4)
#57389C with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #004D9F | 0.096 |
| Deuteranopia (no green cones) | #004A9A | 0.096 |
| Tritanopia (no blue cones) | #444F65 | 0.122 |
| Achromatopsia (no color) | #4C4C4C | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57389C
#57389C
oklch(43.3% 0.155 293.1)
- #515600
#515600
oklch(43.4% 0.097 113.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #57389C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.030
- Blueberry #464196 ΔE 0.035
- Dark Slate Blue #483D8B ΔE 0.039
- Chrysanthemum #560BAD ΔE 0.067
- Blue With A Hint Of Purple #533CC6 ΔE 0.068
- Twilight #4E518B ΔE 0.072
- Bluey Purple #6241C7 ΔE 0.074
- Imperial Purple #480CA8 ΔE 0.076
Use #57389C in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.